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Filtration of municipal waste with a moving bed contactor
1972
Mixon, F. O.
The effect of chlorination on selected organic chemicals
1972
[Papers]
1972
Murphy, R. Sage | Nyquist, David
Evaluation of beef cattle feedlot waste management alternatives
1972
Butchbaker, A. F.
Monitoring mercury vapor near pollution sites
1972
Jepsen, Anders F. | Langan, Lee
Field and laboratory measurements were made to demonstrate that mercury vapor in the air near mercury-polluted water or sediment can be detected using an extremely sensitive detector, the Barringer Airborne Mercury Spectrometer. Areas were visited where the presence of mercury was known from fish, water, or sediment analyses; anomalous mercury levels ranging from 50 to more than 20,000 nanograms per cubic meter were detected. Anomalous concentrations of atomic mercury vapor in air may be classified as natural or man-made. Laboratory studies demonstrated that the mercury spectrometer is sensitive only to atomic mercury. By means of pyrolysis or combustion, organic compounds could be detected. To detect mercury pollution in water, pyrolysis appears necessary to convert combined mercury to the atomic state for measurement by rapid spectrophotometric techniques.
Mostrar más [+] Menos [-]Trickling filter treatment of fruit processing waste waters
1972
Rose, Walter W. | Mercer, Walter A.
Use of general equillibrium in regional water resource planning
1972
Poirier, J. Eugène | Harrington, John M.
Waste wool as a scavenger for mercury pollution in waters
1972
Tratnyek, Joseph P.
Hypochlorite generator for treatment of combined sewer overflows
1972
Leitz, F. B. | Michalek, Steven A. | Greatorex, J. L.
Development of a state effluent charge system
1972
